These days too, Coca Cola has come up with some pretty neat advertising ideas like these:
I've also come to realise that Coke puts up little riddles on their facebook page, which upon solving lead you to a URL with a little animation of sort to "bring a little happiness to your day". The current riddle is as follows:
This sitelet is special,
and will require all your attention.
And if you're doing it right,
it will relieve all your tension.
You will need to be totally still,
You're using meditation as a skill.
Your camera will be used for proving
That while you relax, there's No_ _ _ _ _ _.com
To read more about past riddles, have a look here.